The monthly rent paid by a group of 15,000 tenants in a city is found to be normally
distributed with a mean of 12,000 and a standard deviation of 1,500. Answer the following
questions:
a) What is the probability that a tenant selected at random pays more than 10,500 in rent?
b) What is the probability that a tenant selected at random pays more than 14,700 in rent ?
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